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Exploring In-Depth

Phoenix, Arizona has seen its population increase at a rate greater than that of its urban boundaries. This trend is by necessity, since the water supply cannot feed an ever-expanding metropolitan area. Provided here are questions that will help guide a discussion about urban sprawl.

When you think of urban sprawl, what do you picture?

How is urban sprawl in Phoenix different from the typical urban sprawl?

How has the invention of the air conditioner affected population growth in Phoenix?

The population of Phoenix is increasing, yet the boundaries of the city remain the same. Why is this occurring?

What foremost problem does the growing city of Phoenix face?

Related Links

Related Links from NASA

Urban Sprawl: the Big Picturehttp://science.msfc.nasa.gov/headlines/y2002/11oct_sprawl.htmRead about how scientists are working to bring satellite data about urban sprawl to local planners and politicians.

Urbanization'­s Aftermathhttp://earthobservatory.nasa.gov/Study/Lights3/lights_carbon.htmlAs urbanization spreads, what are its effects on area wildlife? See how scientists are seeking to learn more.

Showdown in the Rio Grandehttp://earthobservatory.nasa.gov/Study/RioGrande/water_hyacinth.htmlClosely tied to urban sprawl is the use of water. Learn more about the particular questions surrounding this issue in the Rio Grande.

Visit the Museum's Resources for Learning web site to find additional educator resources related to " For general information about using Science Bulletins in your classroom, refer to the Science Bulletins Educator's Guide.